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7Semi 1-Ch Solid State Relay Zero-cross Module 5V IN 240VAC 2A OUT
The 7Semi Single Channel Solid State Relay Module is a compact AC load-switching board based on the Panasonic AQG22105 AQ-G solid-state relay. It accepts a 5V-class control input and provides contactless switching for compatible AC loads up to 2A at 240VAC. Unlike an electromechanical relay, the solid-state design has no moving contacts, eliminating mechanical contact bounce and reducing switching noise and wear in frequently operated automation systems.
The AQG22105 uses zero-cross switching, causing the relay to change state near the AC waveform zero crossing to help reduce switching transients and electrical noise. The board provides VCC, GND, and IN control connections together with a screw-terminal AC output, power and relay-status LEDs, and optical separation between the low-voltage control side and AC load side. It is suitable for embedded automation, IoT control, PLC interfacing, laboratory equipment, appliances, and industrial AC switching applications.
Features
- Single-Channel SSR: 1 × Panasonic AQG22105 AC solid-state relay
- Zero-Cross Switching: Turns AC loads ON and OFF near the waveform zero crossing
- AC Load Control: Supports compatible loads up to 2A at 240VAC
- Relay Load Range: AQG22105 supports 75–264VAC
- 5V Logic Control: Module operates from 4.5–6V DC, typically 5V
- Contactless Switching: No mechanical contacts or contact bounce
- Silent Operation: Suitable for applications where relay clicking is undesirable
- Optical Isolation: Separates low-voltage control circuitry from the AC load section
- Built-In Snubber: AQG22105 includes an internal snubber circuit for improved noise immunity
- Surge Capability: Relay supports up to 30A non-repetitive surge current under specified conditions
- Low Leakage: Maximum OFF-state leakage current of 1.5mA
- Status Indication: Integrated power and relay-status LEDs
- Simple Interface: VCC, GND, and IN control pins
- Secure Load Wiring: Screw-terminal connection for AC load wiring
- Compact PCB: 45 × 28 mm footprint for embedded installations
Specifications
- Category of Product: Solid state Relay module
- Operational Voltage Range: 4.5V to 6V DC (typically 5V)
- Relay Used: Panasonic AQG2205
- Maximum Load Current: 2A
- Operating Temprature: -30C to 70C
- Relay Isolation: 1500Vrms
- Dimension: 45mmx28mmx23.56mm
Applications
- Industrial automation
- Smart home AC switching
- Lighting control
- HVAC control
- Appliance switching
- PLC output expansion
- IoT-controlled AC loads
- Laboratory automation
- Embedded control systems
- Industrial machinery
- Remote equipment control
- Frequently switched AC loads
Package Includes
- 1x 7Semi 1-Ch Solid State Relay Zero-cross Module 5V IN 240VAC 2A OUT
